Map of southern Lake Michigan with bathymetry contour lines.

Map depicting mean summer circulation in the Great Lakes. From Beletsky et al. JGLR 25(1):78-83 (1999).

Distribution of population in the Great Lakes basin. Source: The Great Lakes: An Environmental Atlas and Resource Book. Publisher: Environment Canada, 1987. Population distribution in the Great Lakes basin. http://www.epa.gov/glnpo/atlas/index.html

Color satellite photo produced from NOAA-14 AVHRR satellite imagery (channels 1, 2, and 4) collected on June 21, 1995 at 18:48 GMT (about 2:48 pm local time). GLERL, G. Leshkevich, 1995.

Great Lakes shorelines placed along the U.S. east coast shoreline for area comparison. K. Barry, 1998.

Mean summer circulation in Lake Erie. From Beletsky et al. JGLR 25(1):78-93 (1999).

Mean summer circulation in Lake Huron. From Beletsky et al. JGLR 25(1):78-93 (1999).

North America. Backlit photograph of the National Geographic society's world globe. Blue and black satellite photo of North America; shows Great Lakes in relation to rest of country. Photographer: D. Norton, GLERL.

Mean summer circulation in Lake Michigan. From Beletsky et al. JGLR 25(1):78-93 (1999).

Mean summer circulation in Lake Ontario. From Beletsky et al. JGLR 25(1):78-93 (1999).

Mean summer circulation in Lake Superior. From Beletsky et al. JGLR 25(1):78-93 (1999).

Great Lakes map showing toxic contaminant Areas of Concern. 1980.

Shoreline map of Lake Erie.

Shoreline map of Lake Huron.

Map of the Laurentian Great Lakes.